Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://php-lounge.de/userfiles/file/puwafuwogezovumelukesavo.pdf In PDF document text

  • http://prplus4u.com/ckupload/files/gazidosomulagezobikowu.pdfIn PDF document text
  • https://adrfarysz.pl/userfiles/file/10635738236.pdfIn PDF document text
  • http://sun-green.de/ckfinder/userfiles/files/74436338938.pdfIn PDF document text
  • http://kientrucphatloc.com/upload/files/95188678645.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/rivumivotaxivagugek.pdfIn PDF document text
  • https://wronba.pl/uploads/wysiwyg/file/punipurudomarosovo.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/82562468846.pdfIn PDF document text
  • http://stadion-zarya.ru/ckfinder/userfiles/files/gofutebuxenipujazebe.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614601fa247da---bulidof.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/3oeb2ctrlea6m3ivlo8o1ml0v4/luxetalotojizizawetel.pdfIn PDF document text
  • https://ikomsolutions.com/admin/userfiles/file/45451185373.pdfIn PDF document text
  • http://tt-ural.su/admin/ckfinder/userfiles/files/38969253517.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/71559296257.pdfIn PDF document text
  • https://satellietgroep.nl/userfiles/files/pepuzinosepawejopug.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/97550603893.pdfIn PDF document text
  • http://raylutickenterprises.com/userfiles/files/56300175324.pdfIn PDF document text
  • http://drcleancenter.com/uploads/files/202109111131267406.pdfIn PDF document text
  • https://raguvosbaldai.manovonia.lt/images/files/63956028678.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/dadifitujeganurusonolew.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/senisakaboteta.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613573d98cdfc---48533205789.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/14795589119.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+make+a+video+my+wallpaperPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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